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Spec Radeon Pro 555X AMD
Overview
Product name AMD Radeon Pro 555X
Architecture GCN 4.0
Generation / family Radeon Pro 500 Series
Launch date 2018-07-16
Market segment Workstation
Board type / entry type Workstation GPU
GPU
Process node GlobalFoundries 14 nm
Die size 123 mm²
Transistor count 3 billion
GPU chip Polaris 21
Stream Processors 768
ROPs 16
TMUs 48
Clocks
Base / Core clock 907 MHz
Boost clock 907 MHz
Memory clock 1,470 MHz
Memory
Memory size 4 GB
Memory type GDDR5
Memory bus width 128-bit
Memory bandwidth 94.08 GB/s
Bus / Interface
Bus interface PCIe 3.0 x8
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 75 W
Slot width IGP
Features
DirectX support DirectX 12.0
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.3
Shader Model 6.7
Performance / Benchmarks
FP32 throughput 1.39 TFLOPS
FP16 throughput 1.39 TFLOPS
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.

DLAA counts as native resolution; DLSS, FSR and XeSS upscaling never do. A ray tracing setting without a readable on or off value is read as on.